Energy & Green Tech news

Engineering

Engineering approach can improve stability of perovskite solar cells under reverse bias conditions

Solar cells based on perovskites, a versatile class of materials with promising optoelectronic properties, are gradually making their way toward commercialization. While these solar cells can have notable advantages over ...

Energy & Green Tech

Researchers create all-perovskite tandem solar cell with record efficiency

A team of engineers at Huazhong University of Science and Technology in China has designed, built and independently tested an all-perovskite tandem solar cell with record efficiency. Their paper is published in the journal ...

Business

Q&A: China's interests in Africa are being shaped by the race for renewable energy

China-Africa relations have deepened over the past two decades, characterized by increased economic cooperation, investment and infrastructure development. China is now Africa's largest trading partner, with partnerships ...

Engineering

Aluminum foil that can clean water—researchers develop coating that attracts and traps dangerous microbes

More than 2 billion people around the world do not have access to safe, uncontaminated drinking water. Around 418 million of them live in African countries.

Energy & Green Tech

Pilot plant demonstrates iron-based hydrogen storage feasibility

Photovoltaics are set to meet over 40% of Switzerland's electricity needs by 2050. But solar power isn't always available when it's needed: there's too much of it in summer and too little in winter, when the sun shines less ...

Energy & Green Tech

Switzerland reopens door for new nuclear power plants

Switzerland said Wednesday it was open to building new nuclear power stations in the long term, given new geopolitical uncertainties, climate targets and population growth boosting the demand for electricity.

Energy & Green Tech

Findings pave way for longer-lasting solid-state batteries

Lithium-ion batteries contain flammable materials that could pose a safety risk under certain conditions. Dr. Yaser Abu-Lebdeh is one of the researchers using the Canadian Light Source (CLS) at the University of Saskatchewan ...

Electronics & Semiconductors

A solar cell you can bend and soak in water

Researchers from the RIKEN Center for Emergent Matter Science and collaborators have developed an organic photovoltaic film that is both waterproof and flexible, allowing a solar cell to be put onto clothes and still function ...

Energy & Green Tech

Japan unveils next-generation passenger plane project

Japan announced plans on Wednesday to develop a next-generation passenger jet over the next decade after the last struggling attempt, led by a private company, was scrapped a year ago.

Engineering

Paving new paths for sustainable construction

The construction sector today faces several challenges. Natural sand is fast becoming a scarce resource—we might run out of it by 2050. Carbon dioxide emissions, especially from manufacturing cement or fired clay bricks, ...

Energy & Green Tech

Sweden aims to boost plastic recycling with giant plant

Discarded crisp bags, ketchup bottles and Tupperware containers speed along conveyer belts at a massive high-tech sorting plant dubbed "Site Zero", which Sweden hopes will revolutionize its plastic recycling.

Energy & Green Tech

Vast Vienna wastewater heat pumps showcase EU climate drive

In a large hall on the outskirts of Vienna, shiny pipes carry treated wastewater through three giant heat pumps, part of Austria's drive to reduce carbon emissions and its dependence on Russian gas, with more and more European ...

Engineering

New concrete possibilities from waste materials

The use of recycled concrete and glass aggregates in concrete production has emerged as a highly promising means of increasing the recycling rate of waste materials—but durability issues have plagued some combinations of ...